H8S-2350 RENESAS [Renesas Technology Corp], H8S-2350 Datasheet - Page 390

• Manufacturer Part Number: H8S-2350
• Description: 16-Bit Single-Chip Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 9 I/O Ports
9.5
9.5.1
Port 4 is an 8-bit input-only port. Port 4 pins also function as A/D converter analog input pins
(AN0 to AN7) and D/A converter analog output pins (DA0 and DA1). Port 4 pin functions are the
same in all operating modes. Figure 9.4 shows the port 4 pin configuration.
9.5.2
Table 9.8 shows the port 4 register configuration. Port 4 is an input-only port, and does not have a
data direction register or data register.
Table 9.8
Note:
Rev. 3.00 Sep 15, 2006 page 356 of 988
REJ09B0330-0300
Name
Port 4 register
* Lower 16 bits of the address.
Port 4
Overview
Register Configuration
Port 4 Registers
Port 4
Figure 9.4 Port 4 Pin Functions
Abbreviation
PORT4
Port 4 pins
P4
P4
P4
P4
P4
P4
P4
P4
7
6
5
4
3
2
1
0
(input)/
(input)/
(input)/
(input)/
(input)/
(input)/
(input)/
(input)/
AN7 (input)/DA1 (output)
AN6 (input)/DA0 (output)
AN5 (input)
AN4 (input)
AN3 (input)
AN2 (input)
AN1 (input)
AN0 (input)
R/W
R
Initial Value
Undefined
Address *
H'FF53